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The Pioneering Work of Josef Breuer on the Vestibular System

The Pioneering Work of Josef Breuer on the Vestibular System HISTORY OF NEUROLOGY: NEUROLOGY WAS THERE SECTION EDITOR: CHRISTOPHER G. GOETZ, MD The Pioneering Work of Josef Breuer on the Vestibular System Gerald Wiest, MD; Robert W. Baloh, MD lthough Josef Breuer is probably best known for his work with Sigmund Freud on hys- teria, he spent the most productive part of his scientific career working on the ves- tibular receptors of the inner ear. With the physicist Ernst Mach, he developed the A Mach-Breuer theory of semicircular canal function. He was the first to recognize that nystagmus resulted from endolymph flow within the semicircular canals and that the ampullary nerve of a single canal could sense endolymph flow in both directions. By carefully studying the anatomy of the macules of fish, reptiles, and birds, he concluded that linear head displacements or tilts cause the otolithic membrane to slip, bending the hairs that project into it and thereby stimu- lating the underlying sensory receptors. His “shear theory” of hair-cell stimulation is a standard in modern textbooks of vestibular physiology. Breuer was truly a renaissance man who was as com- fortable discussing philosophy and literature as he was the natural sciences. BIOGRAPHICAL SKETCH ration in animals (the Hering-Breuer reflex). In http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA Neurology American Medical Association

The Pioneering Work of Josef Breuer on the Vestibular System

JAMA Neurology , Volume 59 (10) – Oct 1, 2002

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Publisher
American Medical Association
Copyright
Copyright 2002 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
2168-6149
eISSN
2168-6157
DOI
10.1001/archneur.59.10.1647
Publisher site
See Article on Publisher Site

Abstract

HISTORY OF NEUROLOGY: NEUROLOGY WAS THERE SECTION EDITOR: CHRISTOPHER G. GOETZ, MD The Pioneering Work of Josef Breuer on the Vestibular System Gerald Wiest, MD; Robert W. Baloh, MD lthough Josef Breuer is probably best known for his work with Sigmund Freud on hys- teria, he spent the most productive part of his scientific career working on the ves- tibular receptors of the inner ear. With the physicist Ernst Mach, he developed the A Mach-Breuer theory of semicircular canal function. He was the first to recognize that nystagmus resulted from endolymph flow within the semicircular canals and that the ampullary nerve of a single canal could sense endolymph flow in both directions. By carefully studying the anatomy of the macules of fish, reptiles, and birds, he concluded that linear head displacements or tilts cause the otolithic membrane to slip, bending the hairs that project into it and thereby stimu- lating the underlying sensory receptors. His “shear theory” of hair-cell stimulation is a standard in modern textbooks of vestibular physiology. Breuer was truly a renaissance man who was as com- fortable discussing philosophy and literature as he was the natural sciences. BIOGRAPHICAL SKETCH ration in animals (the Hering-Breuer reflex). In

Journal

JAMA NeurologyAmerican Medical Association

Published: Oct 1, 2002

References